NIUTOP 12PCS/Pack Multicolor Replacement Silicon Fastener Ring for Samsung Gear Fit Wireless Activity Bracelet Sport Wristband - Fix the Clasp Fall Off Problem - (Tracker or Wristband NOT Included) This silicone rings For Samsung SM-R350 Wristband Only! Not for For other activity trackers or wristbands Only include silicone rings,Not include the band for Samsung SM-R350 A must have for Samsung SM-R350 that used to secure the band in case it loose and drop This simple insurance will keep your Samsung SM-R350 safe. Light weight and more flexible Perfect fit for your Samsung SM-R350 activity tracker and comfortable wearing experience